Question

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Can anyone tell me the short summary of.

Physical World and Measurement 23
Chapter–1: Physical World
Chapter–2: Units and Measurements

Answer 1

Microscopic domain: It includes atomic, molecular and nuclear phenomena.

However, recently a third domain of interest between macroscopic domain and microscopic domain (Mesoscopic) has also come in light. In this domain scientists deals with a few tens or hundreds of atoms, has emerged as an exciting field of research.

Various theories related to macroscopic domain and microscopic domain are further categorised as given below

Classical Physics

It is the study of macroscopic phenomena. It includes subjects like

• Mechanics:

Under mechanics, we study

Newton’s laws of motion

The law of gravitation is concerned with the motion (or equilibrium) of particles, rigid and deformable bodies, and general systems of particles.)

• Electrodynamics:

It deals with electric and magnetic phenomena associated with charged and magnetic bodies.

Answer 2

here is your answer...........